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    <h1>
      <a href="../../index.html">all files</a> / <a href="index.html">components/table/</a> utils.js
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      <div class='fl pad1y space-right2'>
        <span class="strong">6.67% </span>
        <span class="quiet">Statements</span>
        <span class='fraction'>1/15</span>
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        <span class="strong">0% </span>
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        <span class='fraction'>0/24</span>
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        <span class="strong">0% </span>
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        <span class='fraction'>0/4</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">6.67% </span>
        <span class="quiet">Lines</span>
        <span class='fraction'>1/15</span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">export const orderBy = function(array, sortProp, reverse, sortMethod) <span class="fstat-no" title="function not covered" >{</span>
	// 判断array是否为数组，且数组是否为空
<span class="cstat-no" title="statement not covered" >	if (!Array.isArray(array) || array.length === 0) {</span>
<span class="cstat-no" title="statement not covered" >		return array</span>
	}
<span class="cstat-no" title="statement not covered" >	if (typeof reverse === 'string') {</span>
<span class="cstat-no" title="statement not covered" >		reverse = reverse === 'descending' ? -1 : 1</span>
	}
<span class="cstat-no" title="statement not covered" >	if (!sortProp) {</span>
<span class="cstat-no" title="statement not covered" >		return array</span>
	}
	// 排序的顺序
    const order = <span class="cstat-no" title="statement not covered" >reverse &amp;&amp; reverse === -1 ? -1 : 1</span>
    let _sort = <span class="cstat-no" title="statement not covered" >(a, b, sortProp) =&gt; <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" >		return a[sortProp] === b[sortProp] ? 0 : a[sortProp] &gt; b[sortProp] ? order : -order</span>
    }
<span class="cstat-no" title="statement not covered" >    if (sortMethod &amp;&amp; typeof sortMethod === 'function') {</span>
<span class="cstat-no" title="statement not covered" >		_sort = (a, b, sortProp) =&gt; <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" >			return sortMethod(a, b, sortProp) ? order : -order</span>
		}
    }
	// 数组排序方法
<span class="cstat-no" title="statement not covered" >	return array.slice().sort(function(a, b) <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" >		return _sort(a, b, sortProp)</span>
	})
}
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